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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
commit | 17d40c6057c88f4c432b0d7bac88e1b84cb7e67f (patch) | |
tree | 3f66c4a5918660bb8a758ab6cda5ff8ee4f6cdcd /compiler/rustc_middle/src/ty/diagnostics.rs | |
parent | Adding upstream version 1.64.0+dfsg1. (diff) | |
download | rustc-f7f0cc2a5d72e2c61c1f6900e70eec992bea4273.tar.xz rustc-f7f0cc2a5d72e2c61c1f6900e70eec992bea4273.zip |
Adding upstream version 1.65.0+dfsg1.upstream/1.65.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | compiler/rustc_middle/src/ty/diagnostics.rs | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/compiler/rustc_middle/src/ty/diagnostics.rs b/compiler/rustc_middle/src/ty/diagnostics.rs index dd2f43210..855917fb8 100644 --- a/compiler/rustc_middle/src/ty/diagnostics.rs +++ b/compiler/rustc_middle/src/ty/diagnostics.rs @@ -102,13 +102,25 @@ pub fn suggest_arbitrary_trait_bound<'tcx>( generics: &hir::Generics<'_>, err: &mut Diagnostic, trait_pred: PolyTraitPredicate<'tcx>, + associated_ty: Option<(&'static str, Ty<'tcx>)>, ) -> bool { if !trait_pred.is_suggestable(tcx, false) { return false; } let param_name = trait_pred.skip_binder().self_ty().to_string(); - let constraint = trait_pred.print_modifiers_and_trait_path().to_string(); + let mut constraint = trait_pred.print_modifiers_and_trait_path().to_string(); + + if let Some((name, term)) = associated_ty { + // FIXME: this case overlaps with code in TyCtxt::note_and_explain_type_err. + // That should be extracted into a helper function. + if constraint.ends_with('>') { + constraint = format!("{}, {} = {}>", &constraint[..constraint.len() - 1], name, term); + } else { + constraint.push_str(&format!("<{} = {}>", name, term)); + } + } + let param = generics.params.iter().find(|p| p.name.ident().as_str() == param_name); // Skip, there is a param named Self @@ -396,7 +408,7 @@ impl<'v> hir::intravisit::Visitor<'v> for TraitObjectVisitor<'v> { ) => { self.0.push(ty); } - hir::TyKind::OpaqueDef(item_id, _) => { + hir::TyKind::OpaqueDef(item_id, _, _) => { self.0.push(ty); let item = self.1.item(item_id); hir::intravisit::walk_item(self, item); @@ -455,7 +467,7 @@ impl<'tcx> TypeVisitor<'tcx> for IsSuggestableVisitor<'tcx> { } } - Dynamic(dty, _) => { + Dynamic(dty, _, _) => { for pred in *dty { match pred.skip_binder() { ExistentialPredicate::Trait(_) | ExistentialPredicate::Projection(_) => { |